65420150 has 12 divisors (see below), whose sum is σ = 121681572. Its totient is φ = 26168040.

The previous prime is 65420129. The next prime is 65420153. The reversal of 65420150 is 5102456.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65420153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 654152 + ... + 654251.

It is an arithmetic number, because the mean of its divisors is an integer number (10140131).

Almost surely, 2^65420150 is an apocalyptic number.

65420150 is a deficient number, since it is larger than the sum of its proper divisors (56261422).

65420150 is a wasteful number, since it uses less digits than its factorization.

65420150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308415 (or 1308410 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 65420150 is about 8088.2723742466. The cubic root of 65420150 is about 402.9370277221.

The spelling of 65420150 in words is "sixty-five million, four hundred twenty thousand, one hundred fifty".